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FI971054A7 - Sokea korjainlaite - Google Patents

Sokea korjainlaite Download PDF

Info

Publication number
FI971054A7
FI971054A7 FI971054A FI971054A FI971054A7 FI 971054 A7 FI971054 A7 FI 971054A7 FI 971054 A FI971054 A FI 971054A FI 971054 A FI971054 A FI 971054A FI 971054 A7 FI971054 A7 FI 971054A7
Authority
FI
Finland
Prior art keywords
correction device
blind correction
blind
correction
Prior art date
Application number
FI971054A
Other languages
English (en)
Swedish (sv)
Other versions
FI971054A0 (fi
Inventor
Paul W Dent
Original Assignee
Ericsson Ge Mobile Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Ge Mobile Inc filed Critical Ericsson Ge Mobile Inc
Publication of FI971054A0 publication Critical patent/FI971054A0/fi
Publication of FI971054A7 publication Critical patent/FI971054A7/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03203—Trellis search techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Error Detection And Correction (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Circuits Of Receivers In General (AREA)
  • Dc Digital Transmission (AREA)
FI971054A 1994-09-14 1997-03-13 Sokea korjainlaite FI971054A7 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/305,727 US5557645A (en) 1994-09-14 1994-09-14 Channel-independent equalizer device
PCT/US1995/011708 WO1996008903A1 (en) 1994-09-14 1995-09-12 Blind equalizing apparatus

Publications (2)

Publication Number Publication Date
FI971054A0 FI971054A0 (fi) 1997-03-13
FI971054A7 true FI971054A7 (fi) 1997-05-14

Family

ID=23182074

Family Applications (1)

Application Number Title Priority Date Filing Date
FI971054A FI971054A7 (fi) 1994-09-14 1997-03-13 Sokea korjainlaite

Country Status (8)

Country Link
US (2) US5557645A (fi)
EP (1) EP0781481B1 (fi)
JP (1) JPH10505978A (fi)
AU (1) AU688974B2 (fi)
DE (1) DE69535903D1 (fi)
FI (1) FI971054A7 (fi)
MX (1) MX9701907A (fi)
WO (1) WO1996008903A1 (fi)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5943324A (en) * 1994-01-11 1999-08-24 Ericsson, Inc. Methods and apparatus for mobile station to mobile station communications in a mobile satellite communication system
US5805638A (en) * 1995-12-04 1998-09-08 Lucent Technologies Inc. Systems and methods of digital wireless communication using equalization
US5802112A (en) * 1996-01-16 1998-09-01 Transcendat Inc. Multi-level, multi-frequency interference pattern analog waveform encoding of digital data for transmission
US5793807A (en) * 1996-05-07 1998-08-11 Lucent Technologies Inc. Multimodulus blind eqalization using piecewise linear contours
US6185259B1 (en) 1996-06-12 2001-02-06 Ericsson Inc. Transmitter/receiver for GMSK and offset-QAM
US6320914B1 (en) * 1996-12-18 2001-11-20 Ericsson Inc. Spectrally efficient modulation using overlapped GMSK
US6215762B1 (en) 1997-07-22 2001-04-10 Ericsson Inc. Communication system and method with orthogonal block encoding
US6185258B1 (en) 1997-09-16 2001-02-06 At&T Wireless Services Inc. Transmitter diversity technique for wireless communications
DE69833780T2 (de) 1997-10-31 2006-08-17 Cingular Wireless Ii Llc. Maximal-wahrscheinlichkeitsdetektion von verketteten raum/zeit kodes für schnurlose anwendungen mit sender-diversity
US5887035A (en) * 1997-10-31 1999-03-23 Ericsson, Inc. Method for joint equalization and detection of multiple user signals
US6049574A (en) * 1998-04-17 2000-04-11 Trustees Of Tufts College Blind adaptive equalization using cost function that measures dissimilarity between the probability distributions of source and equalized signals
US6038262A (en) * 1998-06-09 2000-03-14 Transcendata, Inc. Method and apparatus for compensation of electro-magnetic distortion using weighted feedback delay for amplitude coded sinusoidal waveform generation and transmission
AT407933B (de) * 1998-06-09 2001-07-25 Juha Dipl Ing Laurila Verfahren zur trennung und zur detektion von gleichkanal-signalen
US6567475B1 (en) 1998-12-29 2003-05-20 Ericsson Inc. Method and system for the transmission, reception and processing of 4-level and 8-level signaling symbols
US6507602B1 (en) 1999-01-07 2003-01-14 Ericsson, Inc. Smoothing receiver channel estimates using spectral estimation
US6347125B1 (en) 1999-01-11 2002-02-12 Ericsson Inc. Reduced complexity demodulator for multi-bit symbols
US6556634B1 (en) 1999-02-10 2003-04-29 Ericsson, Inc. Maximum likelihood rake receiver for use in a code division, multiple access wireless communication system
US6304216B1 (en) 1999-03-30 2001-10-16 Conexant Systems, Inc. Signal detector employing correlation analysis of non-uniform and disjoint sample segments
US6463099B1 (en) * 1999-05-18 2002-10-08 The Hong Kong University Of Science And Technology Blind channel equalizers and methods of blind channel equalization
KR100636512B1 (ko) * 1999-08-31 2006-10-18 엘지전자 주식회사 비터비 복호기의 가지 메트릭 장치
US6570910B1 (en) * 1999-10-25 2003-05-27 Ericsson Inc. Baseband processor with look-ahead parameter estimation capabilities
US6484285B1 (en) 2000-02-07 2002-11-19 Ericsson, Inc. Tailbiting decoder and method
US6625236B1 (en) 2000-02-08 2003-09-23 Ericsson Inc. Methods and systems for decoding symbols by combining matched-filtered samples with hard symbol decisions
US7079586B1 (en) * 2000-03-16 2006-07-18 Koninklijke Philips Electronics N.V. Systems and methods for optimal distribution of symbols in a fixed size data packet to improve receiver performance
US7443826B1 (en) 2000-10-04 2008-10-28 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for automatic frequency control in a CDMA receiver
US7440489B2 (en) * 2001-08-07 2008-10-21 Ericsson Inc. Method and apparatus for selective demodulation and decoding of communications signals
WO2003041349A1 (de) * 2001-11-09 2003-05-15 Infineon Technologies Ag Viterbi-entzerrung unter verwendung eines tabellenspeichers zur bereithaltung von rekonstruierten signalwerten für die berechnung von übergangsmetriken
CN1640082B (zh) * 2002-03-04 2012-02-08 长联通讯技术公司 检测并测量数字载波中包含的干扰
US7212566B2 (en) * 2002-06-26 2007-05-01 Nokia Corporation Apparatus, and associated method, for performing joint equalization in a multiple-input, multiple-output communication system
GB2395871B (en) * 2002-11-28 2006-01-11 Toshiba Res Europ Ltd Signal estimation methods and apparatus
JP4812454B2 (ja) * 2006-02-13 2011-11-09 ソニー株式会社 復調装置および方法、並びにプログラム
US20090086806A1 (en) * 2007-09-27 2009-04-02 Nanoamp Solutions Inc. (Cayman) Time varying equalization

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3911999A1 (de) * 1989-04-12 1990-10-18 Philips Patentverwaltung Uebertragungssystem
JP2960436B2 (ja) * 1989-06-26 1999-10-06 株式会社日立製作所 非線形データ伝送システム用受信器
SE464902B (sv) * 1989-10-24 1991-06-24 Ericsson Telefon Ab L M Foerfarande att adaptera en viterbialgoritm till en kanal med skiftande oeverfoeringsegenskaper samt en anordning foer genomfoerande av foerfarandet
DE4001592A1 (de) * 1989-10-25 1991-05-02 Philips Patentverwaltung Empfaenger fuer digitales uebertragungssystem
US5263033A (en) * 1990-06-22 1993-11-16 At&T Bell Laboratories Joint data and channel estimation using fast blind trellis search
DE4038251A1 (de) * 1990-11-30 1992-06-04 Philips Patentverwaltung Entzerrer fuer ein digitales uebertragungssystem
US5331666A (en) * 1992-06-08 1994-07-19 Ericsson Ge Mobile Communications Inc. Adaptive maximum likelihood demodulator
US5335250A (en) * 1992-10-22 1994-08-02 Ericsson Ge Mobile Communications Inc. Method and apparatus for bidirectional demodulation of digitally modulated signals
US5347541A (en) * 1992-11-02 1994-09-13 The Regents Of The Univ. Of California Apparatus and method for utilizing a blind equalizer based on a Bayesian symbol sequence estimator for use in digital communication

Also Published As

Publication number Publication date
MX9701907A (es) 1997-06-28
WO1996008903A1 (en) 1996-03-21
EP0781481A1 (en) 1997-07-02
AU688974B2 (en) 1998-03-19
US5557645A (en) 1996-09-17
DE69535903D1 (de) 2009-02-26
AU3589395A (en) 1996-03-29
EP0781481B1 (en) 2009-01-07
JPH10505978A (ja) 1998-06-09
US5619533A (en) 1997-04-08
FI971054A0 (fi) 1997-03-13

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